On 13 Dec 2018, at 7.31, SH Development <listacco...@starionline.com> wrote: > > I have started getting these in my log. What does this mean and what do I > need to do? > > Panic: file mail-index-util.c: line 37 (mail_index_uint32_to_offset): > assertion failed: (offset < 0x40000000)
Your dovecot.index.cache file has grown too huge. The only solution now is to delete it, and perhaps try to shrink the number of mails in the folder as well. The downside to deleting cache is that it may temporarily slow down performance for accessing the folder, depending on the IMAP client.
